Kasiano "Kas" Lealamanua (born 15 December 1976) is a Samoanrugby union player. Lealamanua plays Prop for Saracens in the Guinness Premiership. Having previously played for Biarritz and US Dax for a number of seasons in the Top 14. Lealamanua has represented Samoa a number of times, at both the 2003 and 2007 world cups. Lealamanua has also represented the Pacific Islanders 2008.